NF C93-903-31*NF EN 61300-3-31:2003 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-31 : examinations and measurements - Coupled power ratio measurement for fibre optic sources.
2003NF C93-903-31*NF EN 61300-3-31:2003 Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-31 : examinations and measurements - Coupled power ratio measurement for fibre optic sources.